AMD Radeon HD 7870M vs NVIDIA GeForce GTX 680MX Mac Edition

VS

AMD Radeon HD 7870M NVIDIA GeForce GTX 680MX Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7870M and 2GB VRAM GeForce GTX 680MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870M 's Advantages

Lower TDP (45W vs 122W)

NVIDIA GeForce GTX 680MX Mac Edition 's Advantages

Released 6 months late

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870M

1.024 TFLOPS

GeForce GTX 680MX Mac Edition +115%

2.209 TFLOPS

Radeon HD 7870M

VS

GeForce GTX 680MX Mac Edition

Graphics Card

Apr 2012

Release Date

Oct 2012

London

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

10

Compute Units

-

640

Shading Units

1536

40

TMUs

128

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

23.01 GPixel/s

32.00 GTexel/s

Texture Rate

92.03 GTexel/s

-

FP16 (half)

-

1024 GFLOPS

FP32 (float)

2.209 TFLOPS

64.00 GFLOPS

FP64 (double)

92.03 GFLOPS

Graphics Processor

Heathrow

GPU Name

GK104

Heathrow XT (216-0835033)

GPU Variant

N13E-GTX2-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

3.54 billion

123 mm²

Die Size

294 mm²

Board Design

45W

TDP

122W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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